Anti Aging] "Combining GHK Cu with red light has seen a 70% increase in collagen and a 230% increase in fibroblasts." Study with foundations out of MIT & Harvard. At a dose only required In Vitro and in Vivo Studies of pH Sensitive GHK Cu Incorporated Polyaspartic and Polyacrylic Acid Superabsorbent Polymer ACS Omega Copper peptides like GHK Cu work by sending signals to your skin to repair, regenerate, and produce collagen., Its not about instant results, its about improving how your skin functions over time., 89030 95 5 GHK Cu Gly His Lys Cu Copper Tripeptide 1; Prezatide copper